Sram: CENTERLINE XCenterLine X rotors are the lighter weight version of SRAM’s quiet, smooth, and robust CenterLine rotors. The CenterLine X rotor features a two-piece design with an alloy centre and steel brake track. Rounded edges make for easier wheel installs and are UCI-compliant.THINGS TO REMEMBER• Compatible with both road and mountain bike brakesFEATURES AND BENEFITS• Lightweight, two-piece design• Rounded edges are UCI-compliant and allow for easier wheel installsSPECIFICATIONSDiam (Rotor):  140mm, 160mm, 180mmHub interface:  6-BoltBolt material (RT):  TitaniumColour (RT):  BlackRotor Type:  Centerline 2-Piece